Best For Skin Types
Oily, Combination
Addresses
Usage Frequency
Daily
What Is Oenothera Biennis Flower Extract?
Oenothera biennis flower extract is derived from the evening primrose plant, a herb native to North America. The extract is obtained from the flower portion of the plant and has been used in traditional herbal medicine for centuries.
In skincare formulations, this ingredient is classified as an astringent, meaning it is intended to help tighten or tone the skin. Astringents work by temporarily contracting skin tissue, which may create a firmer or more refined appearance.
How It Works
Astringent ingredients like oenothera biennis flower extract work by causing temporary contraction of skin proteins and tissues. This contraction tightens the outer layers of skin, creating a temporarily refined or firmer appearance.
The extract may also contain compounds with mild antioxidant or soothing properties, though the primary function in skincare is its astringent effect. This tightening action is temporary and diminishes once the product is removed or absorbed.
Clinical Evidence & References
Specific clinical research on oenothera biennis flower extract in skincare is limited. Most traditional use data comes from herbal medicine practices rather than controlled cosmetic studies.
The astringent category itself is well-established in skincare, and plant-derived astringents are generally recognised as safe ingredients. However, individual efficacy data for this particular extract would benefit from further scientific evaluation to substantiate claims about skin-toning effects.
How to Use
Oenothera biennis flower extract is typically found in toners, essences, or astringent lotions. Apply with a cotton pad after cleansing, or follow product instructions. Since astringents can feel drying, balance use with a hydrating moisturiser, particularly if you have dry or sensitive skin. Patch test first if your skin is reactive.
Safety & Precautions
Frequently Asked Questions
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Oenothera Biennis Flower Extract is a variant of Oenothera Biennis Seed, the form you will most often see on an ingredients list.
A plant-derived exfoliant with potential soothing and skin-conditioning properties
Related Ingredients
Oenothera Biennis Seed
A plant-derived exfoliant with potential soothing and skin-conditioning properties
Oenothera Biennis Flower … Stem Extract
Plant extract traditionally used to support skin hydration and conditioning
Oenothera Biennis Seed Extract
Plant extract with antioxidant properties traditionally used to support skin resilience
Oenothera Biennis Root Extract
A plant extract with preliminary evidence for supporting skin resilience and elasticity
Evening Primrose Oil
Also known as Oenothera biennis oil Non-fragrant plant oil
Oenothera Biennis Oil
Evening primrose oil rich in GLA for barrier repair
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